Engine Mechanical:
Covers all aspects of engine operation, disassembly, assembly, and diagnosis for available engine configurations.
Engine Electrical:
Includes wiring diagrams, component testing, ECM/PCM diagnostics, and sensor analysis.
Fuel System:
Details fuel injection system, fuel pump, injectors, fuel pressure regulator, and emissions control components.
Cooling System:
Covers radiator, water pump, thermostat, cooling fans, and coolant specifications.
Exhaust System:
Includes exhaust manifolds, catalytic converter, mufflers, and emission control devices.
Transmission Manual:
Detailed repair procedures for manual transmissions, including clutch system and related components.
Transmission Automatic:
Comprehensive overhaul and diagnostic information for automatic transmissions, including valve body and torque converter.
Transfer Case:
Specific repair and maintenance for the 4x4 transfer case, including operation and components.
Drivetrain Axles:
Covers front and rear axle assemblies, differentials, U-joints, and CV joints.
Brakes System:
Detailed information on hydraulic system, ABS, brake pads, rotors, calipers, and bleeding procedures.
Suspension System:
Covers front and rear suspension components, shock absorbers, springs, control arms, and alignment.
Steering System:
Includes power steering system, steering column, tie rods, and steering gear.
Electrical System:
Covers battery, charging system, starting system, lighting, and accessory circuits.
Body And Frame:
Includes body panel removal and installation, chassis structure, and associated hardware.
HVAC System:
Details climate control system, AC components, heater core, and refrigerant handling.
Interior Trim:
Covers removal and installation of interior panels, seats, and dashboard components.
Wheels And Tires:
Information on tire sizes, pressures, wheel specifications, and torque requirements.
Preventative Maintenance:
Detailed schedules and instructions for oil changes, filter replacements, fluid checks, and lubrication.
Troubleshooting Guides:
Systematic diagnostic procedures for identifying and resolving common and uncommon faults.
Component Diagnosis:
Step-by-step testing procedures for individual components using diagnostic tools and specifications.
Component Replacement:
Instructions for removing, installing, and adjusting all major vehicle components.
Rebuild Procedures:
In-depth instructions for the overhaul of engines, transmissions, and differentials.
Wiring Diagrams:
Complete and detailed wiring schematics for all vehicle electrical systems.
Specifications And Tolerances:
Includes all necessary torque values, clearances, and measurements for proper assembly and repair.
Emissions Control Service:
Information on diagnostic procedures and repairs related to the vehicle's emissions system.
Diagnostic Trouble Codes DTCs:
Listing and interpretation of DTCs with associated diagnostic steps.
Depth Of Coverage:
Factory-level detail suitable for professional technicians and advanced DIYers.
Diagnostic Capabilities:
Covers advanced diagnostics including oscilloscope use, scan tool data interpretation, and system testing.
Repair Complexity:
Extensive repair procedures ranging from simple fluid changes to complete engine and transmission overhauls.
Oil Change Interval:
Gasoline: 3,000-7,500 miles (severe/normal); Diesel: 7,500-15,000 miles depending on oil quality and driving conditions (consult manual).
Transmission Fluid Change:
Automatic: 30,000-60,000 miles; Manual: Inspect per manual, typically longer intervals.
Engine Oil Gas:
SAE 5W-20 or 5W-30 (check specific engine variant).
Engine Oil Diesel:
CJ-4 or CK-4 rated diesel engine oil (e.g., 15W-40).
Coolant Type:
HOAT (Hybrid Organic Acid Technology) type, typically Mopar OAT or equivalent.
Common Diesel Issues:
Injectors, fuel lift pump, EGR issues, exhaust manifold leaks (Cummins).
Common Gasoline Issues:
Lifter tick (Hemi), water pump leaks, exhaust manifold leaks.
Suspension Wear:
Ball joints, tie rod ends, and front-end components can experience wear due to heavy use.
Brake Wear:
Heavy-duty use can accelerate brake pad and rotor wear.